B3311331313231311331322331333132313233313231333131133132313311231211113121
>>
B331133131323131133132233133313231323331323133313113313231331123121111312
<<
B3311331313231311331322331333132313233313231333131133132313311231211113123
>>
B3311331313231311331322331333132313233313231333131133132313311231211113122
>>